The Men's Black BILLY Limitless was Designed in Partnership with the Center for Discovery, Innovation and Development to provide a sensory friendly solution with additional depth adjustability while maintaining BILLY's signature easy-on/easy-off functionality. Available in Men’s and Women’s sizing with extended sizes Available in Medium, Wide, and Extra Wide Features: BILLY Full Wrap Zipper configuration with adjustable laces for a custom fit Sensory-friendly lining that utilizes a stitch and turn technique that creates a nearly seamless tongue and zipper guard to minimize pressure caused by fluctuating foot swelling Multilayer, multi-density insole that aligns, stabilizes, and reduces impact to heel and joints Anatomical arch support to control overpronation Contoured heel cup with additional padding may help reduce heel-related pain Two additional spacer insoles for extra depth adjustability Clove Sole engineered to cradle the heel providing additional comfort and stability Includes an extra-wide loop pull for those with limited dexterity Designed in Partnership with the Center for Discovery, Innovation and Development PDAC Approved. Men's: A5500, L3219, L3221; Women's: A5500, L3215, L3216, L3224